FIELD: process engineering.
SUBSTANCE: invention relates to filtration with inner loading control. Method and device for filtration with fluid flow separation by filtration membrane module with uniform transmembrane pressure and flow density along membrane and inner control over membrane loading by means of intermittent reduction of pressure difference between membrane permeate and retentate sides, and/or cleansing by backflow in separation and extraction and/or treatment of proteins, nucleic acids, biologically produced polymers and other compounds or materials from aqueous fluids.
EFFECT: efficient filtration, reduced capital and operating costs.
48 cl, 58 dwg, 13 tbl, 11 ex
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